import React from 'react';   // 引入react核心库
import ReactDOM from 'react-dom';  // 引入react-dom 模块  dom操作相关的模块
import App from './components/App/App';    // 引入根组件
//import * as serviceWorker from './serviceWorker';

ReactDOM.render(
  <React.StrictMode>
    <App />
  </React.StrictMode>,
  document.getElementById('root')
);

// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
// Learn more about service workers: https://bit.ly/CRA-PWA
//serviceWorker.unregister();
